c-- ccc ccd cce cck cco cct ccw cdc cdd cde cdk cdo cdt cdw ce- cec ced cee cek ceo cet cew ckc ckd cko ckt ckw co- coc cod coe cok coo cot cow ctc ctd cte ctk cto ctt ctw cw- cwc cwd cwe cwk cwo cwt dcc dcd dce dck dco dct dcw ddc ddd dde ddk ddo ddt ddw de- dec ded dee dek deo det dew dkc dke dkk dko dkt dkw doc dod doe dok doo dot dow dtc dtd dte dtk dto dtt dtw dwc dwe dwo dwt dww ec- ecc ecd ece eck eco ect ecw ed- edc edd ede edk edo edt edw eec eed eee eek eeo eet eew ekc ekd eke eko ekt eo- eoc eod eoe eok eoo eot eow etc etd ete etk eto ett etw ewc ewd ewe ewk ewo ewt eww k-t kcc kcd kce kck kct kdc kde kdk kdo kdt ke- kec ked kee kek keo ket kew kkc kke kkk kkt koc kod koe kok koo kot kow ktc kte ktk kto ktt ktw kw- kwc kwd kwk kwo kwt kww oc- occ ocd ock oco oct ocw odc odd ode odo odt oec oed oee oeo oet okc okd oke okk oko okw oo- ooc ood ook ooo oot oow ot- otc otd ote otk oto ott otw owc owd owe owk owo owt oww tcc tcd tce tck tco tct tcw tdc tdd tde tdk tdo tdt tdw te- tec ted tee tek teo tet tew tkc tke tkk tko tkt tkw to- toc tod toe tok too tot tow ttc ttd tte ttk tto ttt ttw twc twd twe two twt tww wcc wcd wce wck wco wct wcw wdc wdt wec wed wee wek weo wet wew wkc wkd wke wko wkt wkw woc wod woe wok woo wot wow wtc wtd wto wtt wtw wwc wwd wwe wwo wwt www